Super-Precision P4/P2 Bearings for Machine Tools

Super-precision bearings in accuracy classes P4 and P2 are essential components in modern machine tools, CNC spindles, grinding machines and high-speed industrial equipment. These bearings are engineered to deliver exceptional rotational accuracy, reduced vibration, low heat generation and maximum reliability under continuous operation. We supply a wide range of high-precision bearings from leading global manufacturers and can deliver anywhere in the world.

Why Choose Super-Precision Bearings (P4 / P2)

• Extremely high running accuracy – ideal for CNC spindles and applications requiring micron-level tolerances.
• Low friction and heat generation – essential for high-speed operation.
• Optimised internal geometry – supports stable lubrication and increased bearing life.
• Minimal vibration and noise – crucial for surface finish quality in machining processes.
• Consistent performance at high RPM – even during continuous and heavy-duty workloads.

Available Types of Super-Precision Bearings

We offer a complete selection of super-precision bearings in P4 and P2 classes, including:

• Angular contact ball bearings for spindles (B70, B72, B719 series)
• Matched pairs and sets (universal matching)
• Hybrid ceramic bearings (Si3N4 balls)
• High-speed grease and oil-air lubrication designs
• Sealed precision bearings for increased durability
• Thrust bearings for axial high-precision loads

Typical Applications

Super-precision bearings are used wherever accuracy, speed and stability are critical:

• CNC machine spindle units
• Grinding machines
• High-speed milling and turning centers
• Robotics and automation systems
• Precision measurement equipment
• Medical and laboratory instruments

Brands and Cross-References

We can provide original products from the world’s leading manufacturers. Cross-reference options are available on request to help you replace or upgrade existing components across various brands and series.

Worldwide Supply and Fast Delivery

We ship super-precision bearings globally, ensuring reliable packaging, fast dispatch and support for both small and large industrial orders. Bulk quantities, customised sourcing and urgent deliveries can be arranged upon request.

Request a Quote

If you need P4 or P2 super-precision bearings for your machine tools or spindle applications, send us your part numbers, quantities and preferred brands. We will prepare a tailored quotation with availability and delivery time to your location anywhere in the world.